Top Definition
Gratteau means everything and nothing; it can really mean anything you want it to mean. It was created by Professor Dongovich when she was being tested in the field of science. She found herself puzzled on a difficult question, so she created "gratteau" and used it instead. She received full marks.
This is SO gratteau.

What is the meaning of life? GRATTEAU.
by Professor Zambio December 27, 2010

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